Optical disk



FIG. 1 is a front perspective view of an optical disk showing our new design;

FIG. 2 is a front perspective view thereof, the cover being opened in the direction of the arrow and the disk being exposed;

FIG. 3 is a front elevational view thereof, the cover being closed as in FIG. 1;

FIG. 4 is a right side elevational view thereof, the opposite side being a mirror image of the side shown;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a rear elevational view thereof. 

The ornamental design for an optical disk, substantially as shown and described. 